It has already been tested in France. The state subsidized the construction of a 1km road for 5 million euros. Given the constraints of a road, I wonder how any

It has already been tested in France. The state subsidized the construction of a 1km road for 5 million euros. Given the constraints of a road, I wonder how anybody can argue this is a good idea. (source : https://www.theguardian.com/environment/2016/dec/22/solar-panel-road-tourouvre-au-perche-normandy https://www.theguardian.com/environment/2016/dec/22/solar-pa...)